Everything has been working well from the beginning of using this tool, but suddenly, I got this error  I got a quick solution tho. changing the code in colab_selenium_manager.py from this  to this has solve the isseue. 
Everything has been working well from the beginning of using this tool, but suddenly, I got this error
I got a quick solution tho. changing the code in colab_selenium_manager.py

from this
to this has solve the isseue.
